% Main file for biblatex multi-file project
\documentclass{article}

\usepackage[backend=biber,style=authoryear]{biblatex}

\addbibresource{bibliography.bib}
\addbibresource{extra-sources.bib}

\begin{document}

\title{BibLaTeX Multi-File Project}
\author{Test Author}
\maketitle

\section{Introduction}

Main file introduction.

\input{biblatex-chapter}

\printbibliography

\end{document}
